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dc.contributor.author Tanaka, Y. T
dc.contributor.author Raulin, Jean-Pierre
dc.contributor.author Bertoni, Fernando C. P.
dc.contributor.author Fagundes, P. R.
dc.contributor.author Chau Chong Shing, Jorge Luis
dc.contributor.author Schuch, N. J
dc.contributor.author Hayakawa, M.
dc.contributor.author Hobara, Y.
dc.contributor.author Terasawa, T.
dc.contributor.author Takahashi, T.
dc.date.accessioned 2018-06-26T16:27:15Z
dc.date.available 2018-06-26T16:27:15Z
dc.date.issued 2010-08
dc.identifier.citation Tanaka, Y. T., Raulin, J. -P., Bertoni, F. C. P., Fagundes, P. R., Chau, J. L., Schuch, N. J., ... Takahashi, T. (2010). First very low frequency detection of short repeated burstds from MAGNETAR SGR J1550−5418.==$The Astrophysical Journal Letters, 721$==(1), L24-L27. https://doi.org/10.1088/2041-8205/721/1/L24 es_ES
dc.identifier.govdoc index-oti2018
dc.identifier.uri http://hdl.handle.net/20.500.12816/1551
dc.description.abstract We report on the first detection of ionospheric disturbances caused by short repeated gamma-ray bursts from the magnetar SGR J1550−5418. Very low frequency (VLF) radio wave data obtained in South America clearly show sudden amplitude and phase changes at the corresponding times of eight soft gamma-ray repeater bursts. Maximum amplitude and phase changes of the VLF signals appear to be correlated with the gamma-ray fluence. On the other hand, VLF recovery timescales do not show any significant correlation with the fluence, possibly suggesting that the bursts’ spectra are not similar to each other. In summary, Earth’s ionosphere can be used as a very large gamma-ray detector and the VLF observations provide us wit. es_ES
dc.format application/pdf es_ES
dc.language.iso eng es_ES
dc.publisher American Astronomical Society es_ES
dc.relation.ispartof urn:issn:0004-637X
dc.rights info:eu-repo/semantics/restrictedAccess es_ES
dc.subject Sudden ionospheric disturbances es_ES
dc.subject Gamma ray eruptions es_ES
dc.subject VLF radio wave propagation es_ES
dc.subject Gamma ray spectrometry es_ES
dc.title First very low frequency detection of short repeated burstds from MAGNETAR SGR J1550−5418 es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde http://purl.org/pe-repo/ocde/ford#1.05.01 es_ES
dc.identifier.journal The Astrophysical Journal Letters es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi https://doi.org/10.1088/2041-8205/721/1/L24 es_ES

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